/*
package NiuKe;

import java.util.Arrays;
import java.util.Scanner;

*/
/**
 * @Description:
 * @Author: Hanzao
 * @Date: 2022/06/14/0:47
 *//*

public class HJ31 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String s = scanner.nextLine();
        */
/* 替换无关字符 *//*

        StringBuilder stringBuilder = new StringBuilder();
        for(int i=0;i<s.length();i++){
            Character c = s.charAt(i);
            if(!(c>='a'&&c<='z'||c>='A'&&c<='Z')){
                stringBuilder.append(' ');
            }else{
                stringBuilder.append(c);
            }
        }
        */
/* 开始倒序 *//*

        String[] strings = stringBuilder.toString().split(" ");
        for(int i=strings.length-1;i>=0;i--){
            if(!strings.equals("")){
                System.out.print(strings[i]+" ");
            }
        }
    }
}
*/
